import java.io.FileReader;
import java.lang.reflect.Type;
import java.util.*;
import com.google.gson.Gson;
import com.google.gson.reflect.TypeToken;
import com.google.gson.stream.JsonReader;
public class Main{

public static void main(String[] args) throws Exception{

Type type = new TypeToken<List<Snackers>>(){}.getType();

//Reading directly from local file due to proxy issues
JsonReader reader = new JsonReader(new FileReader("C:\\Users\\193010493\\IdeaProjects\\DeskNibbleChallenge\\src\\com\\company\\SnackerList.json"));
Gson gson = new Gson();

//List of all snackers
List<Snackers> dataSnacker = gson.fromJson(reader, type);

//Reading directly from local file due to proxy issues
reader = new JsonReader(new FileReader("C:\\Users\\193010493\\IdeaProjects\\DeskNibbleChallenge\\src\\com\\company\\SnacksList.json"));

//Products object containing ArrayList of Snacks
Products dataSnacks = gson.fromJson(reader, Products.class);

//ArrayList to be populated with any snackers that match vendor list
List<Snackers> faveSnackers = new ArrayList<>();

//Iterate through to match Snacker's fave snack to any found in vendor list
//Runs in O(n^2), needs to be more efficient for larger datasets
for(int i=0; i < dataSnacker.size(); i++){
for (int j=0; j < dataSnacks.products.size(); j++){
if ((dataSnacker.get(i).fave_snack).equals(dataSnacks.products.get(j).title)){
faveSnackers.add(dataSnacker.get(i));
}
}
}


//Iterate through our populated faveSnackers to display their fave snack, email, and cost of snack
for(int i =0; i<faveSnackers.size();i++){
System.out.println(faveSnackers.get(i).first_name +" "+ faveSnackers.get(i).last_name + " listed " + faveSnackers.get(i).fave_snack + " as their fave snack!");
System.out.println("Their email is " + faveSnackers.get(i).email);
System.out.println("If they purchase through Desk Nibbles, they would pay $" + getPrice(faveSnackers.get(i).fave_snack, dataSnacks)+"0");
System.out.println();
}
}

private static double getPrice(String snackName, Products dataSnacks){
for (int i =0; i<dataSnacks.products.size(); i++){
if (snackName.equals(dataSnacks.products.get(i).title)){
return dataSnacks.products.get(i).variants.get(0).price;
}
}

return (0);
}


}


class Snackers {

public long id;
public String first_name;
public String last_name;
public String email;
public String gender;
public String ip_address;
public String fave_snack;

}

class Products {

public List<Snack> products = new ArrayList<>();
}